/*point to class*/
#include"conio.h"
#include"stdio.h"
#include"iostream"
using namespace std;
class CRectangle
{ 
	int w, h;
public:
	void setValues(int a, int b);
		int area();
};
void CRectangle::setValues(int a, int b)
{
	w=a;
	h=b;
}
int CRectangle::area()
{
	return (w*h);
}
int main()
{
	CRectangle recta;
	recta.setValues(3,4);
	CRectangle *rectb;
	rectb=&recta;
	rectb->setValues(3,9);
	cout<<"\narea:"<<recta.area();
	cout<<"\narea:"<<rectb->area();
	CRectangle *rectc=new CRectangle();
	rectc->setValues(5,6);
	rectb=rectc;
	rectc->setValues(7,8);
	cout<<"\narea:"<<rectb->area();
	cout<<"\narea:"<<rectc->area();
	getch();
	return 0;


}